Brakes – Internal-resistance motion retarder – With means for locking parts together temporarily
Patent
1989-10-31
1991-06-18
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
With means for locking parts together temporarily
92 18, 2483544, 248413, 267 6412, 267120, 296 56, 403106, 403109, 403344, 403362, F16F 932
Patent
active
050243039
ABSTRACT:
The locking device may either be used with a conventional liftgate support or incorporated into the design of the liftgate support, to retain a hatchback-type door of a vehicle in an open position. The locking device of the present invention is for use with a liftgate support to retain a hatchback-type door in an open position even in cold weather or after the liftgate support has worn out. The liftgate support includes a housing cylinder and an elongated piston rod. The elongated piston rod is slidably positionable relative to the housing cylinder, one end of the elongated piston rod being received within the housing cylinder. The locking device is secured to the housing cylinder by two-sided tape proximate to where the elongated piston rod is received by the housing cylinder. A threaded fastener disposed normally to the longitudinally axis of the elongated piston rod directly engages against the elongated piston rod, thereby precluding the slidable movement of the elongated piston rod relative to the housing cylinder.
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